<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<input type="text" placeholder="请输入1-100之间的数字" id="i1">
<input type="button" value="猜一猜" onclick="f()">
<div></div>
<script>
    //生成1-100之间的随机整数 Math.random()得到0-1随机小数
    let x = parseInt(Math.random()*100)+1
    let count = 0;
    function f() {
        count++;
        let i = document.querySelector("#i1");
        let d = document.querySelector("div");
        if (i.value>x){
            d.innerText = "猜大了！";
        }else if (i.value<x){
            d.innerText = "猜小了！";
        }else {
            d.innerText = "恭喜你第"+count+"猜对了！"
        }
    }
</script>
</body>
</html>